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Finding the Fourth Proportional to 61,211.70, 91,708.20 and 52,463.70

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Solution

The fourth proportional to 61,211.70, 91,708.20 and 52,463.70 is: 78,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.70 : 91,708.20 = 52,463.70 : x
  2. Step 2: Convert to fraction form
    61,211.70/91,708.20 = 52,463.70/x
  3. Step 3: Cross multiply
    61,211.70x = 91,708.20 × 52,463.70
  4. Step 4: Simplify right side
    61,211.70x = 4,811,351,492.34
  5. Step 5: Solve for x
    x = 4,811,351,492.34/61,211.70
  6. Step 6: Final answer
    x = 78,601.83

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